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authorMitja Felicijan <mitja.felicijan@gmail.com>2024-03-10 14:59:14 +0100
committerMitja Felicijan <mitja.felicijan@gmail.com>2024-03-10 14:59:14 +0100
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tree442eec492199104bd49dfd74474ce89ade8fcac9 /_posts/notes/2023-05-28-easy-time-took-in-bash.md
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downloadmitjafelicijan.com-1100562e29f6476448b656dbddd4cf22505523f6.tar.gz
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1---
2title: "Easy measure time took in a bash script"
3permalink: /easy-time-took-in-bash.html
4date: 2023-05-28T17:53:20+02:00
5layout: post
6type: note
7draft: false
8tags: [bash]
9---
10
11In Bash, the `$SECONDS` variable is a special variable that automatically keeps
12track of the number of seconds since the current shell or script started
13executing. It starts counting from the moment the script begins running.
14
15```bash
16#!/bin/bash
17
18# Reset the timer to zero.
19SECONDS=0
20
21# Do something.
22sleep 5
23
24# Print the time elapsed.
25echo "Time taken: $SECONDS seconds"
26```